Home / 14,909.85-22,367.51-6,139.98

Finding the Fourth Proportional to 14,909.85, 22,367.51 and 6,139.98

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Solution

The fourth proportional to 14,909.85, 22,367.51 and 6,139.98 is: 9,211.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,909.85 : 22,367.51 = 6,139.98 : x
  2. Step 2: Convert to fraction form
    14,909.85/22,367.51 = 6,139.98/x
  3. Step 3: Cross multiply
    14,909.85x = 22,367.51 × 6,139.98
  4. Step 4: Simplify right side
    14,909.85x = 137,336,033.35
  5. Step 5: Solve for x
    x = 137,336,033.35/14,909.85
  6. Step 6: Final answer
    x = 9,211.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.